@media only screen and (min-width : 320px) and (max-width : 480px) {
  .section {
    height: inherit;
    padding: 20px 0;
  }

  .introduction h1 {
    font-size: 2.825em;
  }

  .introduction i {
    font-size: .7em;
  }

  .introduction h2 {
    font-size: 1em
  }

  .usage h1 {
    font-size: 1.20em;
    height: 200px;
  }

  .usage {
    height: 200px;
    max-height: inherit;
  }

  .example .code {
    margin: 0 -15px 1.25em -15px;
    border-radius: 0;
    box-shadow: 0;
    border: 0;
    overflow: auto;
  }

  footer {
    padding: 10px;
    font-size: 11px;
    line-height: 11px;
  }
}

@media only screen and (min-width: 481px) {
  .section {
    height: 300px;
    padding-top: 30px;
  }

  .section.installation {
    height: inherit;
    min-height: 300px;
  }

  .usage {
    height: 200px;
    max-height: 200px;
  }

  .usage h1 {
    height: 200px;
    font-size: 1.5em;
  }
}

@media only screen and (min-width: 768px) {
  .section {
    height: 400px;
    padding-top: 50px;
  }

  .section.installation {
    height: inherit;
    min-height: 400px;
  }

  .usage {
    height: 300px;
    max-height: 300px;
  }

  .usage h1 {
    height: 300px;
    font-size: 1.7em;
  }

  .installation h3 {
    font-size: 1.2em;
  }

  .installation h3 i {
    font-size: 0.7em;
  }
}

@media only screen and (min-width: 1280px) {
  .usage h1 {
    font-size: 2.20em;
  }

  .installation h3 {
    font-size: 1.375em;
  }
}

@media only screen and (min-width: 1440px) {
}

